Heterocyclic compounds containing rings having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by groups C07D275/-C07D283/183

01

Five-membered rings

02

Thiadiazoles; Hydrogenated thiadiazoles

04

not condensed with other rings

12

1,3,4-Thiadiazoles; Hydrogenated 1,3,4-thiadiazoles

C

CHEMISTRY; METALLURGY

07

ORGANIC CHEMISTRY

D

HETEROCYCLIC COMPOUNDS

471

Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/-C07D463/251